3506761 has 4 divisors (see below), whose sum is σ = 3556224. Its totient is φ = 3457300.

The previous prime is 3506753. The next prime is 3506801. The reversal of 3506761 is 1676053.

It is the 765-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3506761 - 2³ = 3506753 is a prime.

It is a super-2 number, since 2×3506761² = 24594745422242, which contains 22 as substring.

It is a Duffinian number.

3506761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3503761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24625 + ... + 24766.

It is an arithmetic number, because the mean of its divisors is an integer number (889056).

Almost surely, 2^3506761 is an apocalyptic number.

It is an amenable number.

3506761 is a deficient number, since it is larger than the sum of its proper divisors (49463).

3506761 is an equidigital number, since it uses as much as digits as its factorization.

3506761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49462.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3506761 is about 1872.6347748560. The cubic root of 3506761 is about 151.9271494157.

The spelling of 3506761 in words is "three million, five hundred six thousand, seven hundred sixty-one".